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For the Inventor, By the Inventor

Nuenen, Netherlands

Jacobus H Van Rooij

This inventor holds 7 USPTO granted patents. Top assignees: Gear Chain Industrial B.v., Varicar B. V., Varitrac Ag. Active years: 1985-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jacobus H Van Rooij. Retrieved from https://idiyas.com/inventor/jacobus-h-van-rooij

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 73(Granted Patents)


Company Filing History:

goldMedal3 out of 10 
 
Gear Chain Industrial B.v.
 patents
silverMedal1 out of 1 
 
Varicar B. V.
 patent
bronzeMedal1 out of 9 
 
Varitrac Ag
 patents
4. 1 out of 20 
 
Volvo Car B.v.
 patents
5. 1 out of 1 
 
Volvo Car St. Truiden N.v.
 patent

Years Active: 1985-2004

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7 patents (USPTO):Explore Patents
1. 6739994 - Control system for a continuously variable v-belt transmission (2004-05-25),
2. 5728021 - Transmission chain for a cone pulley transmission (1998-03-17),
3. 5569108 - Hybrid driving system (1996-10-29),
4. 5090947 - Friction transmission provided with a pair of sheaves (1992-02-25),
5. 4986798 - Transmission chain with pivot pins and intermediate pieces with rolling (1991-01-22),
6. 4628746 - Device for determining the torque transmitted between a set of conical (1986-12-16),
7. 4543081 - Transmission chain (1985-09-24),

Title: Innovations of Jacobus H Van Rooij

Introduction

Jacobus H Van Rooij is a notable inventor based in Nuenen, Netherlands. He has made significant contributions to the field of engineering, particularly in the area of transmission systems. With a total of seven patents to his name, Van Rooij's work showcases his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is a control system for a continuously variable v-belt transmission. This invention features a first pair of conical disks, including an axially movable disk and an axially non-movable disk, allowing for a changeable running radius. Additionally, it includes a second pair of conical disks with similar characteristics. The system employs hydraulic actuators to control the movement of the disks, ensuring efficient operation. Another significant patent is for a transmission chain for a cone pulley transmission. This design incorporates links coupled by pins that engage the cone pulley surfaces, allowing for smooth and effective transmission of power.

Career Highlights

Throughout his career, Jacobus H Van Rooij has worked with several prominent companies, including Gear Chain Industrial B.V. and Volvo Car B.V. His experience in these organizations has contributed to his development as an inventor and engineer.

Collaborations

Some of his notable coworkers include Theodorus P Cadee and Theodorus Petrus Cadée. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.

Conclusion

Jacobus H Van Rooij's contributions to the field of engineering through his patents and collaborations highlight his role as a significant inventor. His work continues to influence advancements in transmission technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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